Answer:

Step-by-step explanation:
Given
Two Rectangles;


Required
Determine the area of the shape
The area of the shape would be;

Area of rectangle is calculated as:

For the first rectangle:


For the second:


So:
Area of the shape is


Seven and seven eighths rounds up to eight. Two and eleven twelfths rounds to three. Estimate equation: 8+3=11. Now you know your answer should be around 11. Then to find your actual answer you have to find the common denominator! If u need anymore help ask me! Hope I helped!
Answer:
x = 9
Step-by-step explanation:
9 to the sixth power = 531441
9 to the third power = 729
531441 = x cubed × 729
Divide by 729 on both sides.
531441 divided by 729 equals 729
729 divided by 729 equals 0
729 = x cubed
Find cube root
9x9x9 =729
Cube root of 729 is 9
x=9
Answer:
A
Step-by-step explanation:
In this problem, first u would have to keep the base of 3, then multiply the two powers together to get -28.
However, u can't leave a negative power in the numerator, so u bring the base and the power down into the denominator, change the sign of the power to make it positive, and put a 1 in the numerator.